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Message-Id: <3361159c0a654eb237638969e64ccde742d2c7c0.1642751147.git.lhjeff911@gmail.com>
Date:   Fri, 21 Jan 2022 15:50:56 +0800
From:   Li-hao Kuo <lhjeff911@...il.com>
To:     p.zabel@...gutronix.de, daniel.thompson@...aro.org,
        lee.jones@...aro.org, u.kleine-koenig@...gutronix.de,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org
Cc:     lh.kuo@...plus.com, wells.lu@...plus.com,
        Li-hao Kuo <lhjeff911@...il.com>
Subject: [PATCH v4 2/2] dt-bindings:i2c: Add Sunplus SP7021 schema

Add bindings for Sunplus SP7021 i2c driver

Signed-off-by: Li-hao Kuo <lhjeff911@...il.com>
---
Changes in v4:
 - Modified the YAML file : fix indentation issue

 .../devicetree/bindings/i2c/i2c-sunplus.yaml       | 73 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml

diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml b/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml
new file mode 100644
index 0000000..e44a7ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/i2c-sunplus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus I2C controller
+
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+
+maintainers:
+  - Li-hao Kuo <lhjeff911@...il.com>
+
+properties:
+  compatible:
+    enum:
+      - sunplus,sp7021-i2cm
+      - sunplus,q645-i2cm
+
+  reg:
+    items:
+      - description: I2C registers
+      - description: I2C DMA registers
+      - description: I2C DMA power registers
+
+  reg-names:
+    items:
+      - const: i2cm
+      - const: i2cmdma
+      - const: i2cdmapower
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - clocks
+  - resets
+  - clock-frequency
+  - pinctrl-names
+  - pinctrl-0
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/sp-sp7021.h>
+    #include <dt-bindings/reset/sp-sp7021.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c@...04600 {
+        compatible = "sunplus,sp7021-i2cm";
+        reg = <0x9c004600 0x80>, <0x9c004680 0x80>, <0x9c000000 0x80>;
+        reg-names = "i2cm", "i2cmdma", "i2cdmapower";
+        interrupt-parent = <&intc>;
+        interrupts = <174 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clkc I2CM0>;
+        resets = <&rstc RST_I2CM0>;
+        clock-frequency = <100000>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&i2cm0_pins>;
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 4f83935..44eddba 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18494,6 +18494,7 @@ SUNPLUS I2C CONTROLLER INTERFACE DRIVER
 M:	Li-hao Kuo <lhjeff911@...il.com>
 L:	linux-i2c@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml
 F:	drivers/i2c/busses/i2c-sunplus.c
 
 SUPERH
-- 
2.7.4

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